663133820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{673}}^1\times {\mathrm{2593}}^1$

素因数の和:3294

約数の個数: 48

約数和(自身を含む): 1468619040

約数和(自身を除く): 805485220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 673, 1346, 2593, 2692, 3365, 5186, 6730, 10372, 12787, 12965, 13460, 25574, 25930, 49267, 51148, 51860, 63935, 98534, 127870, 197068, 246335, 255740, 492670, 985340, 1745089, 3490178, 6980356, 8725445, 17450890, 33156691, 34901780, 66313382, 132626764, 165783455, 331566910, 663133820]

約数ペア:

[(1, 663133820), (2, 331566910), (4, 165783455), (5, 132626764), (10, 66313382), (19, 34901780), (20, 33156691), (38, 17450890), (76, 8725445), (95, 6980356), (190, 3490178), (380, 1745089), (673, 985340), (1346, 492670), (2593, 255740), (2692, 246335), (3365, 197068), (5186, 127870), (6730, 98534), (10372, 63935), (12787, 51860), (12965, 51148), (13460, 49267), (25574, 25930)]